As she approached, the blue and orange one slowly walked away but the purple one stayed right where he was. They soon began to talk and Hilda learned that the purple hippos name was Polly but her two friends just called her Po. Hilda learned that the orange and blue hippos did not like humans. Po and Hilda became very close over the next couple of days and Hilda wanted to become friends with Po's friends but Po said that would not be a good idea because they were so shy. The next day Hilda went to go talk to the blue and orange hippo but...
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